// Created by Arthur Amalvy
#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <string.h>
#include "fish_core.h"
#include "fish_globbing.h"

WordList * fishExpand(WordList *wordList) {

	if(wordList->size > 1){

		int i;
		WordList* newWordList = createWordList();// creating the list to return

		if(newWordList == NULL){//crash when the allocation is unsuccessful
			crash();
    }

    addEndWordList(newWordList, wordList->first->word);//copy the command into the returning word list


		WordListElement* tempElement = wordList->first->next; //temporary nav element

		for(i=1; i<wordList->size; i++){

      //TODO : optimize the stringContains() function to test for a list of characters
      //test if we have to expand a string or not, for optimization purposes
      if(stringContains(tempElement->word, '*') || stringContains(tempElement->word, '?')){

        concatWordList(newWordList, expandWord(tempElement->word));

      }
      //If we dont have to expand, add the current word unchanged to the new list
      else{
        addEndWordList(newWordList, tempElement->word);
      }

			tempElement = tempElement->next;

    }

    freeWordList(wordList);
		return newWordList;

	}

  else return wordList;

}

WordList* expandWord(char* word){

  printf("\n%s\n", word);

  WordList* testList = getFiles((char*) "../");

  printWordList(testList);
  return testList;

}




WordList* getFiles(char* path){

	DIR* directory;
	dirent* dir;

	WordList* files = createWordList();


	if((directory = opendir(path)) != NULL){

		while((dir = readdir(directory)) != NULL){

			if(strcmp(dir->d_name, ".") && strcmp(dir->d_name, "..")){//sorry strcmp but I dont like you :(

				printf("%s\n", dir->d_name);//test
        addEndWordList(files, dir->d_name);

			}

		}

    closedir(directory); //YY U LEAK MEMORY ? NOT ON MY WATCH


	}

	return files;

}